Viewing archive of Tuesday, 11 December 2001
| Sunspot number | New regions | Background flux | C | M | X |
|---|---|---|---|---|---|
| 154 -70 | 0 -3 | C2.8 | 4 | 1 | 1 |
Solar flares
| Region | Start | Maximum | End | |
|---|---|---|---|---|
| - | C3.44 | 03:30 | 03:43 | 03:47 |
| - | C2.7 | 04:12 | 04:16 | 04:21 |
| 9733 | X2.8 Play | 07:58 | 08:08 | 08:14 |
| - | C4.6 | 10:06 | 10:19 | 10:29 |
| 9727 | M1.3 | 14:42 | 14:51 | 14:57 |
| - | C3.4 | 18:54 | 19:01 | 19:08 |
Latest news
Saturday, 20 April 2019 - 18:02 UTC
Coronal hole faces Earth
Friday, 5 April 2019 - 14:44 UTC
New page: GOES solar images
Tuesday, 2 April 2019 - 17:19 UTC
April Fools, Coronal hole faces Earth
Latest forum messages
- Discrepancy In X-Ray Data? 19
- Recent Cycle #25 Sunspot 68
- Geomagnetic fluctuations and seizures 26
- Does Solar & Geomagnetic Activity Affect Health? 21
- Very active zone begins to be seen; Cycle 24 continues to give war? 9
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Space weather facts
| Last X-flare: | 2017/09/10 | X8.2 |
| Last M-flare: | 2017/10/20 | M1.0 |
| Last geomagnetic storm: | 2019/03/17 | Kp5 (G1) |
| Number of spotless days in 2019: | 62 | |
| Current stretch spotless days: | 2 | |